Semi-trailer lift



FIG. 1 is a perspective view of the semi-trailer lift showing my new design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a front elevational view thereof, the rear elevational view being a mirror image of the view shown in this Figure;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a semi-trailer lift, as shown and described. 